Problem is it's a triangle shape at both ends of the column so to speak so I've got bendable coupling at the top like you have in
http://www.haynes.co.uk/forums/attac...9&d=1313167124 but then i have a similar coupling at the bottom at the rack end (which has the escort spline on it). Also your chassis appears a bit different (must be because of being a 442e) in the front as your diagonals that can be seen in
http://www.haynes.co.uk/forums/attac...8&d=1313167107 sit much closer to the outside of the chassis compared to the book spec ones. I do like how your rack mount looks though as it's kind of what I had in mind in terms of changing the height/angle of the rack slightly to clear the diagonals better.